March weather in Sullivan, IL
The average temperature in Sullivan in March is 41.2°F (31.1°F–51.2°F). Average precipitation: 2.83 inches. Average snowfall is 1.0 inches.
March is a spring month in Sullivan, and is cooler than the annual average of 53°F. Daily temperatures swing about 20.1°F between overnight low and afternoon high. Expect about 9 days with precipitation. Daylight averages about 11h 44m. For travel, March is cool.
Avg High
51.2°F
Avg Low
31.1°F
Precipitation
2.83 in
Snow
1.0 in
March records in Sullivan
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 66.0°F (2004) | 19.0°F (2001) | 0.29 in (1948) |
| March 2 | 68.0°F (2022) | 12.0°F (2009) | 1.43 in (1945) |
| March 3 | 71.1°F (2022) | 3.0°F (2002) | 0.59 in (1944) |
| March 4 | 62.1°F (2004) | -2.0°F (2019) | 1.59 in (1944) |
| March 5 | 66.9°F (2011) | -2.0°F (2019) | 1.39 in (2011) |
| March 6 | 72.0°F (2022) | -4.0°F (2015) | 0.67 in (1945) |
| March 7 | 73.9°F (2009) | 1.9°F (2015) | 1.21 in (2022) |
| March 8 | 71.1°F (2009) | 12.9°F (2008) | 0.97 in (1997) |
| March 9 | 70.0°F (2016) | 14.0°F (2008) | 0.50 in (2006) |
| March 10 | 69.1°F (2021) | 10.9°F (2003) | 1.76 in (2019) |
| March 11 | 73.0°F (2009) | 12.0°F (2003) | 0.52 in (2000) |
| March 12 | 73.0°F (2014) | 8.1°F (2022) | 1.44 in (2006) |
| March 13 | 73.0°F (2012) | 8.1°F (2022) | 0.94 in (2016) |
| March 14 | 77.0°F (2007) | 19.0°F (2005) | 1.46 in (1997) |
| March 15 | 78.1°F (2012) | 14.0°F (2017) | 1.33 in (1982) |
| March 16 | 77.0°F (2012) | 12.9°F (2017) | 0.99 in (1942) |
| March 17 | 75.0°F (2012) | 17.1°F (2014) | 0.87 in (1998) |
| March 18 | 78.1°F (2012) | 15.1°F (2023) | 1.28 in (2021) |
| March 19 | 77.0°F (2012) | 14.0°F (2023) | 1.50 in (2008) |
| March 20 | 79.0°F (2012) | 16.0°F (2023) | 1.15 in (2020) |
| March 21 | 80.1°F (2012) | 15.1°F (2002) | 1.01 in (1948) |
| March 22 | 82.0°F (2012) | 12.9°F (2006) | 0.64 in (2022) |
| March 23 | 73.9°F (2011) | 17.1°F (2006) | 1.11 in (1948) |
| March 24 | 71.1°F (2011) | 18.0°F (2014) | 0.78 in (2002) |
| March 25 | 77.0°F (2007) | 15.1°F (2001) | 1.12 in (2018) |
| March 26 | 78.1°F (2007) | 14.0°F (2014) | 1.09 in (1948) |
| March 27 | 78.1°F (2007) | 15.1°F (2014) | 1.85 in (1998) |
| March 28 | 78.1°F (2007) | 19.0°F (2015) | 1.06 in (2008) |
| March 29 | 77.0°F (2012) | 19.0°F (2015) | 2.11 in (1945) |
| March 30 | 73.0°F (2007) | 23.0°F (2014) | 1.65 in (1945) |
| March 31 | 78.1°F (2012) | 23.0°F (2014) | 2.47 in (2022) |